Move TransportPool to its own package

The experimental managed transport can also leverage TransportPool,
moving it to its own package to accommodate that use case.

Signed-off-by: Paulo Gomes <paulo.gomes@weave.works>

Author: Paulo Gomes

internal/helm/repository/chart_repository.go

@@ -39,7 +39,7 @@ import (
 	"github.com/fluxcd/pkg/version"
 
 	"github.com/fluxcd/source-controller/internal/helm"
-	transport "github.com/fluxcd/source-controller/internal/helm/getter"
+	"github.com/fluxcd/source-controller/internal/transport"
 )
 
 var ErrNoChartIndex = errors.New("no chart index")

internal/helm/getter/transport.go renamed to internal/transport/transport.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package getter
+package transport
 
 import (
 	"crypto/tls"

internal/helm/getter/transport_test.go renamed to internal/transport/transport_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package getter
+package transport
 
 import (
 	"crypto/tls"